TCA8418RTWR TI
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TCA8418RTWR TI
• Operating Power-Supply Voltage Range of 1.65-V to 3.6-V
• Supports 80 Buttons With Use of 18 GPIOs
• Supports QWERTY Keypad Operation Plus GPIO Expansion
• Low Standby (Idle) Current Consumption: 3 μA
• Supports 1-MHz Fast Mode Plus I 2C Bus
• 10 Byte FIFO to Store 10 Key Presses and Releases
• Open-Drain Active-Low Interrupt Output
• Integrated Debounce Time of 50 μs
• Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs: Typical Vhys at 1.8 V is 0.18 V
• Latch-Up Performance Exceeds 200 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22 on all 18 GPIO Pins and non GPIO pins
– 2000-V Human Body Model (A114-A)
– 1000-V Charged Device Model (C101)
• Operating Power-Supply Voltage Range of 1.65-V to 3.6-V
• Supports 80 Buttons With Use of 18 GPIOs
• Supports QWERTY Keypad Operation Plus GPIO Expansion
• Low Standby (Idle) Current Consumption: 3 μA
• Supports 1-MHz Fast Mode Plus I 2C Bus
• 10 Byte FIFO to Store 10 Key Presses and Releases
• Open-Drain Active-Low Interrupt Output
• Integrated Debounce Time of 50 μs
• Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs: Typical Vhys at 1.8 V is 0.18 V
• Latch-Up Performance Exceeds 200 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22 on all 18 GPIO Pins and non GPIO pins
– 2000-V Human Body Model (A114-A)
– 1000-V Charged Device Model (C101)
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